CN112113420A - Induction heating furnace with induction coil gap type heat dissipation - Google Patents
Induction heating furnace with induction coil gap type heat dissipation Download PDFInfo
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- CN112113420A CN112113420A CN202010927898.2A CN202010927898A CN112113420A CN 112113420 A CN112113420 A CN 112113420A CN 202010927898 A CN202010927898 A CN 202010927898A CN 112113420 A CN112113420 A CN 112113420A
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- 230000006698 induction Effects 0.000 title claims abstract description 58
- 238000010438 heat treatment Methods 0.000 title claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 title abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000012774 insulation material Substances 0.000 claims description 7
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011496 polyurethane foam Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 3
- 239000010410 layer Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003934 vacuole Anatomy 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
- F27B14/061—Induction furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/0003—Linings or walls
- F27D1/0033—Linings or walls comprising heat shields, e.g. heat shieldsd
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/42—Cooling of coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0843—Lining or casing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Induction Heating (AREA)
Abstract
The invention provides an induction heating furnace with induction coil gap type heat dissipation, wherein a coil mounting mechanism is arranged outside a furnace liner and comprises an inner cylinder, the inner cylinder is coaxially sleeved on the furnace liner, a plurality of connecting blocks are fixedly connected to the inner wall of the inner cylinder, the connecting blocks are also fixedly connected with the outer wall of the furnace liner, two ends of the inner side of the inner cylinder are open, and a plurality of through holes are uniformly formed in the wall of the inner cylinder. The outer wall of the inner barrel is wound with an induction coil, adjacent coils on the induction coil are not in contact with each other, the outer portion of the inner barrel is coaxially sleeved with an outer barrel, a first sealing ring and a second sealing ring are arranged at the top end and the bottom end between the outer barrel and the inner barrel respectively, the first sealing ring and the second sealing ring respectively seal the top end and the bottom end of the portion between the outer barrel and the inner barrel, a cavity is formed between the outer barrel and the inner barrel, the cavity is communicated with an air pump through a pipeline, and the air pump pumps air into the cavity. The technical scheme adopts active heat dissipation to the induction coil, thereby meeting the requirement of long-time work.
Description
Technical Field
The invention relates to the technical field of induction heating furnaces, in particular to an induction heating furnace with induction coil gap type heat dissipation.
Background
An induction heating furnace is a power supply device which converts power frequency 50HZ alternating current into intermediate frequency (more than 300HZ to 1000HZ), converts three-phase power frequency alternating current into direct current after rectification, converts the direct current into adjustable intermediate frequency current, supplies the intermediate frequency alternating current flowing through a capacitor and an induction coil, generates high-density magnetic lines in the induction coil, cuts metal materials contained in the induction coil, and generates large eddy current in the metal materials. The workpiece is placed in an inductor (coil), and when alternating current with certain frequency is introduced into the inductor, an alternating magnetic field is generated around the inductor. The electromagnetic induction action of the alternating magnetic field causes a closed induced current-eddy current to be generated in the workpiece. The induced current is distributed unevenly on the cross section of the workpiece, the current density on the surface layer of the workpiece is high, and the current density gradually decreases inwards, and the phenomenon is called skin effect. The electric energy of the high-density current on the surface layer of the workpiece is converted into heat energy, so that the temperature of the surface layer is increased, and the surface heating is realized.
Most induction coils of the existing induction heating furnaces adopt natural heat dissipation, but the induction coils generate more heat when working for a long time, and the use requirements cannot be met through the natural heat dissipation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the induction heating furnace with induction coil gap type heat dissipation.
The invention solves the technical problems through the following technical means:
radiating induction heating furnace of induction coil clearance formula, including the stove courage, the outside of stove courage is provided with coil installation mechanism, coil installation mechanism includes the inner tube, the coaxial cover of inner tube is established on the stove courage, and a plurality of connecting blocks of fixedly connected with on the inner wall of inner tube, the outer wall of connecting block still fixed connection stove courage, the inboard both ends of inner tube are open, and evenly begin to have a plurality of through-holes on the section of thick bamboo wall of inner tube. The utility model discloses a novel air pump, including inner tube, first closed ring and second closed ring, it has induction coil to wind on the outer wall of inner tube, contactless between the last adjacent coil of induction coil, the coaxial cover in outside of inner tube is equipped with the urceolus, top and bottom between urceolus and the inner tube are provided with first closed ring and second closed ring respectively, first closed ring and second closed ring seal the top and the bottom of part between urceolus and the inner tube respectively, vacuole formation between urceolus and the inner tube, the cavity has the air pump through the pipeline intercommunication, the air pump is to the air pump income air in the cavity.
As an improvement of the technical proposal, the second closed ring is an annular pipe, an annular through groove is coaxially arranged on the pipe wall at the top of the second closed ring and the second closed ring, the inner cavity of the second closed ring is coaxially provided with a sealing ring matched with the annular through groove, the sealing ring shields the annular through groove, both sides of the top end of the sealing ring are movably connected with the top pipe wall of the inner cavity of the second closed ring through a plane bearing, the top of the sealing ring is fixedly connected with a plurality of stand pipes, the bottom ends of the stand pipes penetrate through the sealing ring and are communicated with the inner cavity of the second closed ring, and the stand pipe is inserted into the cavity through the annular through groove, the top end of the stand pipe is closed, and the stand pipe rotates annularly along the annular through groove, a plurality of air outlet holes are arranged on the pipe wall at one side of the vertical pipe, the air outlet holes are positioned on the motion trail of the axis of the vertical pipe, the air pump is communicated with the second closed ring through a pipeline, and the air pump pumps air into the cavity through the second closed ring.
As an improvement of the technical scheme, the outer wall of the furnace pipe is coated with a non-metal heat-insulating material layer.
As an improvement of the technical scheme, the heat insulation material layer is a polyurethane foam layer, a phenolic foam layer or a fiber layer.
The invention has the beneficial effects that: the induction heating furnace with the induction coil gap type heat dissipation adopts active heat dissipation for the induction coil, so that the requirement of long-time work can be met.
Utilize the air pump to pump into the air in to the cavity, dispel the heat to induction coil and cool down, avoided the heat gathering to avoid induction coil overheated.
The air pump pumps air into the second closed ring, then the air is spout at the venthole of riser one side, and the air current forms reaction force to the riser for the riser rotates along cyclic annular through groove ring-type, thereby can be periodic make the air current blow to induction coil's local position, reach the radiating effect of reinforceing.
Adjacent coils on the induction coil are not contacted, so that clear current can flow between the coils, more heat can be taken away, and the heat dissipation effect is enhanced.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is an enlarged view of fig. 2 at a.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1, the induction heating furnace with induction coil gap type heat dissipation in this embodiment includes a furnace liner 1, a coil mounting mechanism 2 is disposed outside the furnace liner 1, the coil mounting mechanism 2 includes an inner cylinder 21, the inner cylinder 21 is coaxially sleeved on the furnace liner 1, a plurality of connecting blocks 22 are fixedly connected to an inner wall of the inner cylinder 21, the connecting blocks 22 are further fixedly connected to an outer wall of the furnace liner 1, two ends of an inner side of the inner cylinder 21 are open, a plurality of through holes are uniformly formed on a wall of the inner cylinder 21, an induction coil 23 is wound on the outer wall of the inner cylinder 21, adjacent coils on the induction coil 23 are not in contact with each other, an outer cylinder 24 is coaxially sleeved outside the inner cylinder 21, a first sealing ring 25 and a second sealing ring 26 are respectively disposed at a top end and a bottom end between the outer cylinder 24 and the inner cylinder 21, the first sealing ring 25 and the second sealing ring 26 respectively seal a top end and a bottom end of a portion, a cavity 27 is formed between the outer cylinder 24 and the inner cylinder 21, the cavity 27 is communicated with an air pump 28 through a pipeline, and the air pump 28 pumps air into the cavity 27.
The induction heating furnace with the induction coil gap type heat dissipation provided by the technical scheme actively dissipates heat for the induction coil 23, so that the requirement of long-time work can be met.
Air is pumped into the cavity 27 by the air pump 28 to dissipate heat and cool the induction coil 23, so that heat accumulation is avoided, and overheating of the induction coil 23 is avoided.
Adjacent coils on the induction coil 23 are not in contact with each other, so that clear current can flow between the coils, more heat can be taken away, and the heat dissipation effect is enhanced.
The outer wall of the furnace pipe 1 is coated with a non-metal heat insulation material layer 11, and the heat insulation material layer 11 is a polyurethane foam layer, a phenolic foam layer or a fiber layer. The heat insulation material layer 11 on one hand insulates heat of the furnace pipe 1 and on the other hand reduces heat dissipation to the induction coil 23.
Example 2
As shown in fig. 2-3, the induction heating furnace with induction coil gap type heat dissipation in this embodiment includes a furnace liner 1, a coil mounting mechanism 2 is disposed outside the furnace liner 1, the coil mounting mechanism 2 includes an inner cylinder 21, the inner cylinder 21 is coaxially sleeved on the furnace liner 1, a plurality of connecting blocks 22 are fixedly connected to an inner wall of the inner cylinder 21, the connecting blocks 22 are further fixedly connected to an outer wall of the furnace liner 1, two ends of an inner side of the inner cylinder 21 are open, a plurality of through holes are uniformly formed in a wall of the inner cylinder 21, an induction coil 23 is wound on the outer wall of the inner cylinder 21, adjacent coils on the induction coil 23 are not in contact with each other, a first sealing ring 25 and a second sealing ring 26 are coaxially sleeved outside the inner cylinder 21, a top end and a bottom end between the outer cylinder 24 and the inner cylinder 21 are respectively provided with a first sealing ring 25 and a second sealing ring 26, the first sealing ring 25 and the second sealing ring 26 respectively seal a top end, a cavity 27 is formed between the outer cylinder 24 and the inner cylinder 21, the cavity 27 is communicated with an air pump 28 through a pipeline, and the air pump 28 pumps air into the cavity 27.
The outer wall of the furnace pipe 1 is coated with a non-metal heat insulation material layer 11, and the heat insulation material layer 11 is a polyurethane foam layer, a phenolic foam layer or a fiber layer.
The second closed ring 26 is an annular tube, an annular through groove 29 is coaxially formed in the top tube wall of the second closed ring 26 and the second closed ring 26, a sealing ring 210 matched with the annular through groove 29 is coaxially arranged in the inner cavity of the second closed ring 26, the sealing ring 210 shields the annular through groove 29, two sides of the top end of the sealing ring 210 are movably connected with the top tube wall of the inner cavity of the second closed ring 26 through a plane bearing, a plurality of stand tubes 211 are fixedly connected to the top of the sealing ring 210, the bottom ends of the stand tubes 211 penetrate through the sealing ring 210 to be communicated with the inner cavity of the second closed ring 26, the stand tubes 211 are inserted into the cavity 27 through the annular through groove 29, the top ends of the stand tubes 211 are closed, the stand tubes 211 rotate annularly along the annular through groove 29, a plurality of air outlet holes 212 are formed in the tube wall of one side of the stand tubes 211, the air outlet holes 212 are located on the movement, the air pump 28 pumps air into the cavity 27 through the second closed ring 26.
The air pump 28 pumps air into the second closed ring 26, and then the air is ejected from the air outlet 212 on one side of the vertical pipe 211, and the air flow forms a reaction force on the vertical pipe 211, so that the vertical pipe 211 rotates annularly along the annular through groove 29, and the air flow can be periodically blown to the local part of the induction coil 23, thereby achieving the effect of enhancing heat dissipation.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (4)
1. Radiating induction heating furnace of induction coil clearance formula, including stove courage (1), its characterized in that: the external portion of stove courage (1) is provided with coil installation mechanism (2), coil installation mechanism (2) include inner tube (21), inner tube (21) coaxial cover is established on stove courage (1), and a plurality of connecting blocks (22) of fixedly connected with on the inner wall of inner tube (21), connecting block (22) still the outer wall of fixed connection stove courage (1), inner tube (21) inboard both ends are opened, and evenly begin to have a plurality of through-holes on the section of thick bamboo wall of inner tube (21), it has induction coil (23) to coil on the outer wall of inner tube (21), non-contact between the adjacent coil on induction coil (23), the outside coaxial cover of inner tube (21) is equipped with urceolus (24), top and bottom between urceolus (24) and inner tube (21) are provided with first closed ring (25) and second closed ring (26) respectively, first closed ring (25) and second closed ring (26) are respectively closed urceolus (24) and inner tube (21) partial top The air pump comprises an end and a bottom end, a cavity (27) is formed between the outer cylinder (24) and the inner cylinder (21), the cavity (27) is communicated with an air pump (28) through a pipeline, and the air pump (28) pumps air into the cavity (27).
2. The induction heating furnace for induction coil gap cooling according to claim 1, wherein: the second closed ring (26) is an annular pipe, an annular through groove (29) is coaxially formed in the top pipe wall of the second closed ring (26) and the second closed ring (26), an annular through groove (29) matched with a sealing ring (210) is coaxially arranged in the inner cavity of the second closed ring (26), the sealing ring (210) shields the annular through groove (29), two sides of the top end of the sealing ring (210) are movably connected with the top pipe wall of the inner cavity of the second closed ring (26) through a plane bearing, a plurality of vertical pipes (211) are fixedly connected to the top of the sealing ring (210), the bottom ends of the vertical pipes (211) penetrate through the sealing ring (210) and are communicated with the inner cavity of the second closed ring (26), the vertical pipes (211) are inserted into the cavity (27) through the annular through groove (29), the top ends of the vertical pipes (211) are sealed, and the vertical pipes (211) rotate annularly along the annular through, a plurality of air outlet holes (212) are formed in the wall of one side of the vertical pipe (211), the air outlet holes (212) are located on the motion track of the axis of the vertical pipe (211), the air pump (28) is communicated with the second closed ring (26) through a pipeline, and air is pumped into the cavity (27) by the air pump (28) through the second closed ring (26).
3. The induction heating furnace for induction coil gap cooling according to claim 1, wherein: the outer wall of the furnace pipe (1) is coated with a non-metal heat-insulating material layer (11).
4. The induction heating furnace for induction coil gap cooling according to claim 3, wherein: the heat insulation material layer (11) is a polyurethane foam layer, a phenolic foam layer or a fiber layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010927898.2A CN112113420B (en) | 2020-09-07 | 2020-09-07 | Induction heating furnace with induction coil gap type heat dissipation |
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CN202010927898.2A CN112113420B (en) | 2020-09-07 | 2020-09-07 | Induction heating furnace with induction coil gap type heat dissipation |
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CN112113420A true CN112113420A (en) | 2020-12-22 |
CN112113420B CN112113420B (en) | 2022-06-14 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022207594A1 (en) * | 2021-03-31 | 2022-10-06 | Tata Steel Nederland Technology B.V. | Container for shielding an induction coil |
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DE20203213U1 (en) * | 2002-02-28 | 2002-09-19 | Nies Klaus Dieter | Development of a refractory delivery for induction crucible furnaces |
KR20100124524A (en) * | 2009-05-19 | 2010-11-29 | 현대제철 주식회사 | Fire proof wall of induction furnace and the manufacturing method thereof |
CN203155747U (en) * | 2013-02-25 | 2013-08-28 | 湖州银都铝业有限公司 | Heating furnace |
CN105698530A (en) * | 2016-04-22 | 2016-06-22 | 佛山市高捷工业炉有限公司 | High-frequency electromagnetic inductive heating furnace |
CN205843358U (en) * | 2016-06-29 | 2016-12-28 | 昆山市旭邦恒节能科技有限公司 | A kind of magnesium alloy is smelted and is used electromagnetic energy-saving smelting furnace |
CN207991249U (en) * | 2018-01-12 | 2018-10-19 | 重庆特奇机电有限公司 | It is a kind of using chemical spent material as the intermediate frequency furnace of fuel |
-
2020
- 2020-09-07 CN CN202010927898.2A patent/CN112113420B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20203213U1 (en) * | 2002-02-28 | 2002-09-19 | Nies Klaus Dieter | Development of a refractory delivery for induction crucible furnaces |
KR20100124524A (en) * | 2009-05-19 | 2010-11-29 | 현대제철 주식회사 | Fire proof wall of induction furnace and the manufacturing method thereof |
CN203155747U (en) * | 2013-02-25 | 2013-08-28 | 湖州银都铝业有限公司 | Heating furnace |
CN105698530A (en) * | 2016-04-22 | 2016-06-22 | 佛山市高捷工业炉有限公司 | High-frequency electromagnetic inductive heating furnace |
CN205843358U (en) * | 2016-06-29 | 2016-12-28 | 昆山市旭邦恒节能科技有限公司 | A kind of magnesium alloy is smelted and is used electromagnetic energy-saving smelting furnace |
CN207991249U (en) * | 2018-01-12 | 2018-10-19 | 重庆特奇机电有限公司 | It is a kind of using chemical spent material as the intermediate frequency furnace of fuel |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022207594A1 (en) * | 2021-03-31 | 2022-10-06 | Tata Steel Nederland Technology B.V. | Container for shielding an induction coil |
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Address after: 242000 Yihuang Road, Jiji Technological Development Zone, Xuancheng City, Anhui Province Patentee after: Ningguo Hongda Electric Furnace Co.,Ltd. Country or region after: China Address before: 242000 Yihuang highway, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Patentee before: NINGGUO HONGDA ELECTRIC FURNACE Co.,Ltd. Country or region before: China |
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